Question 1

What does the File Unknown Line icon mean?

Accepted Answer

The file-unknown-line icon represents an outlined file icon indicating an unknown or unrecognized file type. It is commonly used in software applications to symbolize unknown file types.

Question 2

Where is the File Unknown Line icon used?

Accepted Answer

In real-world applications, this icon appears in various software and platforms such as file explorers, document management systems, and text editors, where users encounter files with unknown extensions.

Question 3

What does the File Unknown Line icon tell users?

Accepted Answer

From a UX perspective, this icon communicates the status of an unknown file type and helps users understand that the file type is not recognized. It is often used in conjunction with other icons, such as warning or error, to provide a clear and intuitive user experience.

Question 4

Can I download the File Unknown Line icon as SVG or PNG?

Accepted Answer

Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.

Question 5

How do I install the File Unknown Line icon with the shadcn CLI?

Accepted Answer

Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds the icon to components/icons/mingcute-file-unknown-line.tsx.

Question 6

How do I use the File Unknown Line icon in Next.js or React?

Accepted Answer

Copy it as React (from Get icon, or the Code section): a typed FileUnknownLineIcon component you paste into your project, with no package to install. It works in Next.js and any React app.

Question 7

How do I use the File Unknown Line icon in Vue, Svelte or Angular?

Accepted Answer

Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside.

Question 8

Can my AI agent install it for me?

Accepted Answer

With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the File Unknown Line icon, or any of 3,320 MingCute Icon icons, and install it from a prompt.

Question 9

Can I use the File Unknown Line icon in commercial projects?

Accepted Answer

Yes. Apache 2.0 allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.

Question 10

Is the File Unknown Line icon free?

Accepted Answer

Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.

Question 11

How do I change the color of the File Unknown Line icon?

Accepted Answer

It's drawn in currentColor, so it takes the text color wherever you use it. To bake a color in, set one in Customize before you copy.

Question 12

How do I change the size of the File Unknown Line icon?

Accepted Answer

Set width and height on the component, or a class like size-6. It's drawn on a 24 × 24 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation.

Question 13

How do I make the File Unknown Line icon accessible?

Accepted Answer

Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="File Unknown Line", so screen readers say what it does.

File Unknown Line